10 Plastic Seed Starting Trays - Each Tray Has 18 Cells ~ Cells Are 3 Inch Square At the Top and 3 Inch Deep (10) Quantity : 10 Trays ~ 18 cells per tray Cell Dimention : 3 Inch square At the Top and 3 Inch Deep This Tray Is Made To Fit a Standard 1020 Tray These trays are used by nurseries